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bug#29339: 27.0.50; CC-mode doesn't know about .mm and .M suffixes for O


From: Philipp Stephani
Subject: bug#29339: 27.0.50; CC-mode doesn't know about .mm and .M suffixes for Objective-C++
Date: Thu, 21 Dec 2017 19:22:05 +0000



Alan Mackenzie <address@hidden> schrieb am Fr., 17. Nov. 2017 um 20:00 Uhr:
In article <address@hidden> you wrote:

> GCC uses .mm or .M for Objective-C++,
> cf. https://gcc.gnu.org/onlinedocs/gcc-7.2.0/gcc/Overall-Options.html.
> However, neither `auto-mode-alist' nor `cc-other-file-alist' contain
> these file extensions.

I don't think there's an Objective-C++ mode out there in the wild.  So
what existing mode should be used for *.mm and *.M?  Is that mode a good
enough fit to be able, in good conscience, to use it for Obj-C++?

According to https://www.emacswiki.org/emacs/ObjectiveCMode#toc2 objc-mode is the most appropriate mode for now, until a true objc++-mode is added.

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